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Znago
Associate

Join Date: Jan 2009
Location: Bangalore, India
Posts: 51

How To Spec a Solenoid/Valve?

07/09/2011 2:27 AM

I need a solenoid and valve for an application of controlling a diesel fuel line (for dispensing). I am a little confused about all the different types of valves and solenoids. For example, is a diaphragm valve better or more appropriate than a poppet valve? What other attributes do I have to determine/specify to make a good selection?

Thanks

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ducon
Guru

Join Date: Dec 2006
Location: Hop around Toronto, New York & Karachi
Posts: 1876
Good Answers: 19
#1

Re: How to spec a Solenoid/Valve?

07/09/2011 3:04 AM

Simple, call the Solenoid valve engineering sales guy and he will do all your selection.

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KalbBR
Active Contributor

Join Date: Dec 2010
Location: Brasil
Posts: 21
#2

Re: How To Spec a Solenoid/Valve?

07/10/2011 10:01 AM

To specify a valve you need know: fluid, in your case diesel; pressure; flow rate;and others details. As the fluid is diesel you should use solenoids and instalations proper for hazardous enviroment, or piloted actuator, because diesel is combustible and some grades are flamable, as in Brazil. Spool valves use to have a small degree of leak. Pop and diafragms are leakfree. Considering your application a actuated ball valve is a good option.
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Iris
Guru

Join Date: Jul 2010
Posts: 669
Good Answers: 176
#3
In reply to #2

Re: How To Spec a Solenoid/Valve?

07/11/2011 10:27 AM

Pilot operated solenoid valves use the line pressure to 'assist' the action of solenoid in opening/closing the valve. Therefore a minimum pressure drop is required. Be sure to take a minimum pressure drop into account.
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